食用添加剂：红曲红、山梨酸。

Food Additives: red rice, sorbic acid.

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山梨酸是一种新型的食品防腐保鲜剂。

Sorbic acid is a new type of antiseptic and freshening agent for food.

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采购：大豆蛋白，柠檬酸，山梨酸钾。

Buy: soy protein, citric acid, potassium sorbate.

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第一部分为溴代山梨酸的合成方法和抗菌作用研究。

First, the synthesis method and anti-microbial activity of bromo-sorbic acid were studied.

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第一部分为溴代山梨酸的合成方法和抗菌作用研究。

First, the synthesis method and anti-microbial activity of bromo-sorbic acid were studied.

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